WHY President Obama's hands are tied over responding to Syria's use of chemical weapons is readily explained through this week's charts: only around 30% of Americans favour airstrikes. Look deeper and the reasons are apparent: some 70% of Americans feel it may lead to a backlash and 60% fret over long-term military commitments. In another chart this week, Switzerland is still the premier destination for offshore wealth, though Britain, Ireland and the Channel Islands are close behind.

A PDF contact sheet of this week's infographics is available to download here.